Yucca filamentosa Linné ssp. filamentosa
Adam's Needle Spoonleaf Yucca.Linné Sp. p 6. 319. 1753
Synonymy
Walter, Fl. Carol. 124. Michaux. Fl. 1:196.Pursh, Fl. 1: 227. Gawler. Bot. Mag. 23. pl. 900.
Redouté. Liliacées. 5. pl. 277-8.
Haworth. Syn. Pl. Succ. 70. Gambold. Amer. Journ. Sci. 1819: 251.
Mordaunt. Herb. Gén. 4. pl. 258. Elliot. Bot. S. C.and Ga. 1: 400.
Frost. Plants Abbeville Distr. 317.
Lemaire. Ill. Hort. 13: 98.
Porcher. Resources So. Fields and For. 530.
Curtis. Bot. N. C. 56.
Engelmann. Trans. Acad. St. Louis. 3:52,214.
Baker. Gard. Chron. 1870: 923. Journ. Linn. Soc. Bot. 18: 227.
Britton & Brown. Ill. Fl. 1: 427. f. 1027.
Möller's Deutsche Gartner Zeitung. 11: 361. f.
Mohr. Contr. U. S. NatI. Herb. 6: 441, as to southern localities.
Yuca foliis filamentosis Morison. Plant. Hist. 2: 419. Sect. 4. pl. 23.1680.
juca Americana filamentosa Munting. Waare Oeffining der Planten. 471. f. 1 682. Naauwkeuriqe Beschryv. der Aardgew. 663.1 696.
Yucca Virginia, follis per ambitum apprimeè filatis. Plukenet. Almag. Bot. 396. 1 696. Raius. Hist. Plant. 3: 573.1 704.
Yucca foliis lanceolatis etc. Trew. Pl. Sel. 9. pl. 37.1 754.
Yucca foliis lanceolatis acuminatis integerrimis margine filamentosis. Gronovius. Fl. Virgin. 152.1739. 53.1762.
Yucca filamentosa variegata Carrière. Rev. Hort. 1860: 215. Naudin. Plantes Feuill. Coloré. 1. pl. 51.
Lowe. Beautiful Lvd. Plants. 105. pl. 51. Garden. 1:152. f. 27: 266, 309.32: 600. Gardener's Chron. n. s.7: 341. n. s.13: 594. n. s.23: 803.
Yucca fllamentosa aurea elegantissima Wiener Ill. Gart.-Zeit. 5: 389.1880.
Yucca filamentosa bicolor Hort.
Yucca recurvifolia Park & Cemetery. 11:1 84. f.
Yucca filamentosa patens Carrière. Rev Hort. 1860: 21 6.
Yucca filamentosa Mohr. Contr. U. S. Herb. 6: 441, in part.
Yucca filamentosa bracteata Engelmann. Trans. Acad. St. Louis 3:52-3.
1873. Watson. Proc. Amer. Acad. 14: 254. Baker. Journ. Linn. Soc. Bot. 18: 228.
? Yucca filamentosa maxima Carrière. Rev. Hort. 1860: 21 3.
Yucca filamentosa media Carrière. Rev. Hort. 1860: 21 3. f. 47-8.
Yucca filamentosa laevigata Engelmann. Trans. Acad. St. Louis 3: 52, 54, 214.
1873. Watson. Proc. Amer. Acad. 14: 254. Baker. Journ. Linn. Soc. Bot. 18: 228. Yucca filamentosa Journ. of Hort. 52: 271. f.
? Yucca flaccida Lindley. Bot. Reg. 22. pl. 1895. Baker. Ref. Bot. 5. text to pl. 323.
? Yucca puberula Baker. Ref. Bot. 5. pl. 322, - nat text.
? Yucca glauca Baker. Ref. Bot. 5. pl. 315.
Type: Clayton no.720, Virginia (BM), flowers only
Other representative material studied.
| Virginia | fh 1188.99, Cap Henry, fh 1182, Roanake Rapids area. |
| North Carolina: | fh 1182.1, Mantea, fh 1182.2, Roanake Island. |
| South Carolina: | fh 1182.6, Winyah Bay. |
| Georgia: | fh 1182.7, Savannah. |
| Florida: | fh 1182.8, Sanford, fh 1182.9, Clermont City, fh 1182.10, Brooksville, fh 1182.11, Lake Panasoffke, fh 1182.26, Masaryktown, fh 1182.90, Linden. |
| Affiliated Taxa: | |
| Rhode Island: | fh 1182.88, Richmond, fh 1183.20, North Kingston, fh 1183.21, Bennet Shores Beach, fh 1183.23, Hopkinton. |
| Connecticut: | fh 1182.89, Long Island Sound, Beach. |
| New Hampshire: | fh 1183.22, Nashua. |
| Massachusetts: | fh 1183.54, Attleboro. |
Key to the Subspecies of Yucca filamentosa.
| 1. | Leaves ungulate to spatulate, surface coarse | ssp.concava | |
| Leaves not ungulate to spatulate | 2 | ||
| 2. | Leaves broad erect, straight, surface coarse | ssp.filamentosa | |
| Leaves narrow, erect, curved, surface smooth | ssp.smalliana | ||
Yucca filamentosa ssp. filamentosa, fh 1182.2, Roanoke Island, NC. Near the Beach
Yucca filamentosa ssp. filamentosa, Richmond, RI. Creamy, almost yellowish flowers in anthesis.
Note the Yucca moth in the centre, July 2001.
Yucca filamentosa ssp. filamentosa, North Kingstown, RI. With a relatively short inflorescence
with few flowers. Flowering in September.